From 1aa4fc1ec204fabed5c40873b86751976167272f Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Sat, 26 Oct 2019 01:21:56 -0300
Subject: [PATCH] avfilter/avf_showfreqs: free input frame after using it

Fixes ticket #8336.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavfilter/avf_showfreqs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavfilter/avf_showfreqs.c b/libavfilter/avf_showfreqs.c
index c44ac564ac..645754ded3 100644
--- a/libavfilter/avf_showfreqs.c
+++ b/libavfilter/avf_showfreqs.c
@@ -475,6 +475,7 @@ static int activate(AVFilterContext *ctx)
         av_audio_fifo_write(s->fifo, (void **)in->extended_data, in->nb_samples);
         if (s->pts == AV_NOPTS_VALUE)
             s->pts = in->pts;
+        av_frame_free(&in);
     }
 
     if (av_audio_fifo_size(s->fifo) >= s->win_size) {